Canon Vixia HF11 Frame Rates

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      roblewis56
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      <p class=”MsoNormal”>Canon Vixia HF11 Frame Rates

      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>The Vixia HF11 can shoot at 24p, 30p and 60i frame rates. However,
      according to the manual: Recordings made with the [PF24], [PF30] frame rate
      are converted and recorded on the memory as 60i. What effect does this
      conversion have on videos shot at 24p or 30p that are exported? In particular,
      is there a difference between action video shot at 30p and 60i video that is
      exported?
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>I performed the following experiment in an attempt to answer
      this question.
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>Subject: A passenger train passing in front of the camcorder
      at full speed.
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>Camcorder settings:
      <p class=”MsoNormal”><span> </span>Highest
      Quality (MXP)
      <p class=”MsoNormal”><span> </span>Shutter
      Speed = 1/2000 second
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>I shot the first train at 30p and the second at 60i
      camcorder frame rates.
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>I imported this video into Adobe Premier Elements 7.0 using
      the AVCHD FULL HD 30 Preset and rendered it. .
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>Here are my observations. I paused during play to see
      individual frames.
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal” style=”text-indent: 0.25in;”>1.<span>
      </span>Play in Premier showed single image frames for both 30p and 60i clips.
      <p class=”MsoNormal”><o:p></o:p>
      <ol style=”margin-top: 0in;” start=”2″ type=”1″>
      <li class=”MsoNormal”>A DVD
      made directly from Premier showed single image frames for the 30p clip and
      split image frames for the 60i. clip when played using Windows Media
      Player.

      <p class=”MsoNormal” style=”margin-left: 0.25in;”><o:p></o:p>
      <ol style=”margin-top: 0in;” start=”3″ type=”1″>
      <li class=”MsoNormal”>Video
      exported in MP2-1920x1080i format showed single sharp images for 30p
      single frames and split images for 60i. This video clip shot at 30p was
      the clearest of all during play back.

      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”>Some conclusions:
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal” style=”margin-left: 0.75in; text-indent: -0.25in;”><!–[if !supportLists]–><span><span>1.<span style=”font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;”>
      </span></span></span><!–[endif]–>There is a difference between video shot at 30p
      and 60i even though the 30p is converted to 60i before recording to memory.
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal” style=”margin-left: 0.75in; text-indent: -0.25in;”><!–[if !supportLists]–><span><span>2.<span style=”font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;”>
      </span></span></span><!–[endif]–>Shoot action video at a 30p frame rate
      <p class=”MsoNormal”><o:p></o:p>
      <p class=”MsoNormal”><o:p></o:p>

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